Notice--Lithium Content.If shipping air, item must ship only via Fed Ex. Cannot ship to APO/FPO addresses. Due to the hazardous contents, some products cannot be shipped to various zip codes. --- Even though you are able to checkout with this item, it will be removed from your order if shipping to a restricted location.

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{"notice": "<b>Notice--Lithium Content.</b></br>If shipping air, item must ship only via Fed Ex. Cannot ship to APO/FPO addresses. Due to the hazardous contents, some products cannot be shipped to various zip codes. --- Even though you are able to checkout with this item, it will be removed from your order if shipping to a restricted location.","catentryIDs" : "308752"}
]}

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Keep your ProFLEX Heavy Duty Rechargeable Heated Insoles operating at top capacity with the ThermaCELL® ProFLEX Heavy Duty Extended Life Battery Pack. These genuine replacement batteries allow you to switch out the batteries in the insoles without removing the insoles from the shoes and keep the warming comfort going. Batteries provide up to 8.5 hours of warming performance per charge. Rechargeable extended life lithium ion batteries recharge rapidly, giving you a full charge in as little as 2 hours. Battery pack includes: 2 batteries, USB cable, and smart charging case. Manufacturer model #: PFHD-XB.